Uygurs and their supporters march near the United Nations in New York on March 15. Members of the Uygur Muslim ethnic group held demonstrations in cities around the world on that day to protest a sweeping Chinese surveillance and security campaign that has sent thousands of their people into detention and political indoctrination centers. Photo: AP

Uygurs and their supporters march near the United Nations in New York on March 15. Members of the Uygur Muslim ethnic group held demonstrations in cities around the world on that day to protest a sweeping Chinese surveillance and security campaign that has sent thousands of their people into detention and political indoctrination centers. Photo: AP